Sentences with phrase «of plant pathogens»

Our understanding of a variety of plant pathogens has been vastly expanded by his work.
Today, instead of plant pathogens, Dong's group studies human pathogens like trypanosomes.
John McDowell of Virginia Tech worte an invited Commentary in the prestigious journal, Proceedings of the National Academy of Sciences, comparing findings about the genomes of plant pathogens.
Analysis of the surfaces of the leaves revealed that the number of plant pathogens as well as of necrotic plant tissues increased considerably when mutualistic Pseudomyrmex ferrugineus ants were absent.
«Plotting the path of plant pathogens
The world's first complete gene sequencing of a plant pathogen has been announced by a consortium of Brazilian researchers in the July 13 issue of Nature.
He led the Brazilian team that last year published the first genome sequence of a plant pathogen, Xylella fastidiosa.
Trade - off between latent period and transmission success of a plant pathogen revealed by phenotypic correlations.

Not exact matches

Plant scientists, including us, are working out the genetics of wild banana varieties and banana pathogens as we try to prevent a Cavendish crash.
This makes me happy: a research project has identified a gene that gives wheat plants resistance to one of the most deadly races of the wheat stem rust pathogen, Ug99.
The food test kits developed and produced by ifp include: Rapid lateral - flow test kits for the on - site detection of food allergens (distributed by Romer Labs under the trademark AgraStrip); real - time PCR kits for the detection of pathogens, GMO, plant / animal species etc. (distributed by QIAGEN under the trademark mericon); microbiological vitamin test kits in microtiter plates (distributed by R - Biopharm under the trademark VitaFast); enzymatic kits in microtiter plates for the quantitative determination of sugars, organic acids and other metabolites (trademark EnzymeFast).
The Food Microbiology Short course provides insight into the most recent developments of food - borne pathogens, toxins, and contaminants that may occur in a food plant environment.
Microwave assisted thermal sterilisation has been used for disinfestation of fruit fly infected fruit and vegetables with some initial success and may be suitable for a wider range of products, insects and postharvest plant pathogens.
The vaccine triggers a mechanism known as RNA interference, which is an innate defence mechanism of plants, animals and other eukaryotic organisms against pathogens.
«A new approach to plant protection involves vaccinating plants against pathogens with double - stranded RNA molecules that can be sprayed directly on the leaves,» explains Dr Minna Poranen of the Molecular and Integrative Biosciences Research Programme at the University of Helsinki's Faculty of Biological and Environmental Sciences.
Dr Stotz continued: «This concept of plant ETI does not really explain the second line of defense in the interaction of plant hosts protecting themselves against extracellular fungal pathogens — i.e. those foliar fungal pathogens that get into the leaf of the plant to exploit the space between its cells, known as the apoplast, to retrieve nutrients from the plant.
Before the pathogen has entered the plant, its presence of specific pathogen molecules or patterns is recognised by the host plant's immune systems.
Our research enhances the traditional understanding of the plant defense system and describes a new concept describing how plants protect themselves against the pathogens that grow in the space outside plant cells (the apoplast)-- a new concept called effector - triggered defense or ETD.»
A new understanding as to how plants defend themselves against some pathogens that cause crop diseases is proposed by researchers from the University of Hertfordshire to help scientists breed new, more successful disease - resistant agricultural crops.
By exploiting new molecular and genetic insights, the research, done in collaboration with Pierre de Wit from Wageningen Agricultural University in the Netherlands, provides a better understanding of the defense system of crop plants against the damaging pathogens that grow in the spaces between plant cells.
The concept of ETI was developed to describe defense against pathogens that enter into plant cells (e.g. wheat rusts and mildews, potato late blight pathogens) and fits their defense mechanisms well.
Wind power provides the pressure necessary to suck the well's saltwater through a series of filters and membranes laced with copper and silver ions to kill off any potential pathogens, rather than the more expensive chemical compounds used in reverse - osmosis plants.
The class of compounds studied includes those used by some plant pathogens to coordinate their attacks.
However, the positive impacts of biochar were coupled with negative findings for a suite of genes that are known to determine the ability of a plant to withstand attack from pests and pathogens.
Huanglongbing is one of eight plant pathogens on the U.S. Federal Register's list of «bioterrorism select agents.»
Xinnian Dong of Duke University in North Carolina and colleagues studied how Arabidopsis thaliana, a small flowering plant, defends itself against a fungus - like pathogen, Hyaloperonospora arabidopsidis.
However, the increased vulnerability of the plants occurred regardless of whether the pathogen was present.
«The pathogen is producing an important compound that the plant already makes, but too much of a good thing ends up not being good for the plant,» said Barbara Kunkel, professor of biology in Arts & Sciences.
Soybean is the second - most - planted field crop in the U.S. after corn, worth more than $ 4 billion annually in the U.S. Current soybean varieties are susceptible to an array of pests and pathogens.
It took decades of painstaking work, but research geneticist Ram Singh managed to cross a popular soybean variety («Dwight» Glycine max) with a related wild perennial plant that grows like a weed in Australia, producing the first fertile soybean plants that are resistant to soybean rust, soybean cyst nematode and other pathogens of soy.
The strategy — widely anticipated but issued 5 months later than the White House had originally planned — also outlines a series of steps and goals for agencies to pursue, such as tackling bee - killing pathogens and mites, reducing pesticide use and reviewing its safety to bees, restoring degraded pollinator habitats, and encouraging the planting of more flowering plants and other pollinator - friendly vegetation.
Using the tools of molecular biology, another task that lies ahead in this research field is to clarify the principles of pathogen removal in planted soil filters.
Forests experience plenty of natural disturbances: fire, weather variations, competition between plant species, and attacks by insect pests and pathogens.
According to the current state of research, the processes of pathogen removal in planted soil filters are due to physical, chemical, and biological effects:
It is already acknowledged that planted soil filters enable the effective removal of pathogens from wastewater — they are known to be even more efficient than traditional wastewater treatment methods.
Other specific conditions, such as the concentration of dissolved oxygen in the pore water of the filter body, reduce the ability of pathogens to survive in planted soil filters.
The goal of research is to ascertain the technological, chemical, and biological parameters that affect pathogen removal in planted soil filters, so that the newly gained knowledge can be used for technological development in both industrialized and developing countries.
«Imagine that the pathogen injects directly into the plant cell a protein that mimics part of a particular immune system machine.
Plant pathologists across the United States are scrambling to halt the potential spread of a funguslike pathogen that kills oaks.
Plant immune systems, like those of humans and animals, face a difficult balancing act: they must mount responses against ever - evolving pathogens, but they must not overdo it.
These plants also showed strong immune responses in the form of an increased concentration of salicylic acid, a plant hormone which regulates defense against pathogens.
He mashed up disease - riddled tobacco leaves and then passed the juicy pulp through a porcelain filter fine enough to trap everything down to the tiniest bacteria.When even that filtered fluid infected other plants, a world still acclimating to Louis Pasteur's germ theory now had an even tinier class of pathogens to contemplate.
«Practically speaking, we need to understand how to sustain plants with all of the mounting stressors today, such as drought and an increase in pathogens (e.g., plant disease),» Fitzpatrick says.
«A mechanistic understanding of how plants resist or overcome pathogen attack is crucial to develop new strategies for crop protection.»
The new generation of researchers faces the intense competition typical of a booming field, yet they also enjoy a wide - open arena of research questions exploring everything from pathogens to plants to humans.
First, they chemically mutagenized the resistant accession of wheat to identify plants that become susceptible to the stem rust pathogen.
Eduard Akhunov, associate professor of plant pathology at Kansas State University, and his colleague, Jorge Dubcovsky from the University of California - Davis, led a research project that identified a gene that gives wheat plants resistance to one of the most deadly races of the wheat stem rust pathogen — called Ug99 — that was first discovered in Uganda in 1999.
The researchers don't know what these proteins do, but they found them in a variety of microbes, including plant and human pathogens, as well as in cellulose - degrading and bioremediation organisms.
According to the polytechnic specialist, Trichoderma koningiopsis in some cases combats or prevents the growth of pathogens that attack cotton plant as P. omnívora, Fusarium spp and Macrophomina phaseolina.
And previous field experiments, including projects in Georgia and Ohio, have found that the mineral can also can reduce levels of toxic aluminum and pathogens in soils, as well as provide a source of calcium and sulfur, two nutrients plants need to grow.
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